Pharmacodynamics Flashcards
High abuse potential, no medical use are considered …
Schedule 1 drugs (Ex: Heroine)
high abuse potential; accepted medical use
Schedule 2 drugs (Ex: Morphine)
low to moderate dependecne;m low amounts of opioids
Schedule 3 (Ex: Codeine)
low abuse potential; rx needed
Schedule 4 (Ex: Valium)
low abuse; may have small amounts of controlled substances
Schedule 5 (ex: Lomotril)
It is ok to leave medications at bedside. T or F
FALSE
How do herbs affect prescription meds?
It can increase or decrease the effect of drugs
Grapefruit is a herb that affects many medications. T or F
True
a drug that has been tested but not financially viable
orphan drug
study of the interactions between living systems & the foreign chemicals (drugs)
Pharmacodynamics
4 ways in which drugs work
-Replace or substitute missing chemicals
-Increase or stimulate certain cellular activities
-Depress or slow cellular activities
-Interfere with the functioning of foreign cells, such as invading microorganisms or neoplasms that cause cell death
concentration a drug must reach in the tissues/blood for it to work
Drug Potency/Critical Concentration
a higher dose than is usually used for treatment, allowing the drug to reach the critical concentration sooner
Loading Dose
a ratio of the blood concentration at which a drug becomes toxic to the concentration at which the drug is effective
Therapeutic Index
The larger the therapeutic index, the safer the drug is. T or F
True
